(19)

(11)

EP 0 518 932 A1

(12)

(43) Date of publication: 23.12.1992 Bulletin 1992/52 (21) Application number: 91905470.0 (22) Date of filing: 06.03.1991

(51) International Patent Classification (IPC):  B66B 21/ 10( . ) B66B 29/ 08( . ) (86) International application number: PCT/IT1991/000018 (87) International publication number: WO 1991/014643 (03.10.1991 Gazette 1991/23)

(84) Designated Contracting States: AT BE DE DK FR GB IT NL (30) Priority: 09.03.1990 IT 19900042507 (71) Applicants: CAVALCA, Fabio I-43100 Parma (IT) CAVALCA, Roberto I-43100 Parma (IT)	(72) Inventors: CAVALCA, Fabio I-43100 Parma (IT) CAVALCA, Roberto I-43100 Parma (IT) (74) Representative: Lanzoni, Luciano  BUGNION S.p.A. Via Emilia Est, 25 I-41100 Modena I-41100 Modena (IT)